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-rw-r--r--migration/migration.c6
-rw-r--r--migration/ram.c10
-rw-r--r--migration/ram.h2
3 files changed, 7 insertions, 11 deletions
diff --git a/migration/migration.c b/migration/migration.c
index 62761d5705..6bbd4715d3 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1406,14 +1406,12 @@ void qmp_migrate_continue(MigrationStatus state, Error **errp)
void qmp_migrate_set_cache_size(int64_t value, Error **errp)
{
MigrationState *s = migrate_get_current();
- int64_t new_size;
- new_size = xbzrle_cache_resize(value, errp);
- if (new_size < 0) {
+ if (xbzrle_cache_resize(value, errp) < 0) {
return;
}
- s->xbzrle_cache_size = new_size;
+ s->xbzrle_cache_size = value;
}
int64_t qmp_query_migrate_cache_size(Error **errp)
diff --git a/migration/ram.c b/migration/ram.c
index 42f3b7cb28..997340c7c2 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -112,15 +112,15 @@ static void XBZRLE_cache_unlock(void)
* migration may be using the cache and might finish during this call,
* hence changes to the cache are protected by XBZRLE.lock().
*
- * Returns the new_size or negative in case of error.
+ * Returns 0 for success or -1 for error
*
* @new_size: new cache size
* @errp: set *errp if the check failed, with reason
*/
-int64_t xbzrle_cache_resize(int64_t new_size, Error **errp)
+int xbzrle_cache_resize(int64_t new_size, Error **errp)
{
PageCache *new_cache;
- int64_t ret;
+ int64_t ret = 0;
/* Check for truncation */
if (new_size != (size_t)new_size) {
@@ -138,7 +138,7 @@ int64_t xbzrle_cache_resize(int64_t new_size, Error **errp)
if (new_size == migrate_xbzrle_cache_size()) {
/* nothing to do */
- return new_size;
+ return 0;
}
XBZRLE_cache_lock();
@@ -153,8 +153,6 @@ int64_t xbzrle_cache_resize(int64_t new_size, Error **errp)
cache_fini(XBZRLE.cache);
XBZRLE.cache = new_cache;
}
-
- ret = new_size;
out:
XBZRLE_cache_unlock();
return ret;
diff --git a/migration/ram.h b/migration/ram.h
index f9f7eef894..64d81e9f1d 100644
--- a/migration/ram.h
+++ b/migration/ram.h
@@ -35,7 +35,7 @@
extern MigrationStats ram_counters;
extern XBZRLECacheStats xbzrle_counters;
-int64_t xbzrle_cache_resize(int64_t new_size, Error **errp);
+int xbzrle_cache_resize(int64_t new_size, Error **errp);
uint64_t ram_bytes_remaining(void);
uint64_t ram_bytes_total(void);